The outer box is damaged the radiator...
Alpenheat heating socks AJ27 are test winners of TestFakta (Consumers Test) carried out in Sweden: https://testfakta.se/sv/sport-fritid/article/varma-fotter-med-risk-overhettningSet: 1 pair of heated socks, 2 batteries and 1 charger Heating element under the toes Copper thread woven in to reduce bacteria
Set: 1 pair of heated socks, 2 batteries and 1 charger Heating element under the toes Heat up to 10 hours
Set: 1 pair of heated socks, 2 batteries, APP control, USB-C charger Heating element under the toes Heat up to 13 hours
Set: 1 pair of heated socks, 2 batteries, APP control, USB-C charger Heating element under the toes Copper thread woven in to reduce bacteria
Set: 1 pair of socks, 2 pcs. rechargeable batteries, APP operation, USB-C charger Heating element underneath the toes Heating time up to 13 hours